[INFO] cloning repository https://github.com/DesmondWillowbrook/Web_Library_Base_Compositions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DesmondWillowbrook/Web_Library_Base_Compositions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDesmondWillowbrook%2FWeb_Library_Base_Compositions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDesmondWillowbrook%2FWeb_Library_Base_Compositions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5c75b0f424b3ff9f28d6536443f05fa8a42fbb7
[INFO] checking DesmondWillowbrook/Web_Library_Base_Compositions against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDesmondWillowbrook%2FWeb_Library_Base_Compositions" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DesmondWillowbrook/Web_Library_Base_Compositions on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DesmondWillowbrook/Web_Library_Base_Compositions
[INFO] finished tweaking git repo https://github.com/DesmondWillowbrook/Web_Library_Base_Compositions
[INFO] tweaked toml for git repo https://github.com/DesmondWillowbrook/Web_Library_Base_Compositions written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/DesmondWillowbrook/Web_Library_Base_Compositions already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.23
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.23
[INFO] [stderr]   Downloaded reservoir-sampling v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf69015f9f09af56deebb01d54e5fd116c8aa807ba017e27aaf0e576ab6790a9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cf69015f9f09af56deebb01d54e5fd116c8aa807ba017e27aaf0e576ab6790a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf69015f9f09af56deebb01d54e5fd116c8aa807ba017e27aaf0e576ab6790a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf69015f9f09af56deebb01d54e5fd116c8aa807ba017e27aaf0e576ab6790a9", kill_on_drop: false }`
[INFO] [stdout] cf69015f9f09af56deebb01d54e5fd116c8aa807ba017e27aaf0e576ab6790a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96d8e652d4e281911dd3887b3eaf540eefca501845e3ce2c7a48cac7abc88d0c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "96d8e652d4e281911dd3887b3eaf540eefca501845e3ce2c7a48cac7abc88d0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.23
[INFO] [stderr]     Checking regex v1.5.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking reservoir-sampling v0.5.1
[INFO] [stderr]     Checking font-kit v0.7.1
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.73
[INFO] [stderr]     Checking plotters-bitmap v0.3.0
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.73
[INFO] [stderr]     Checking js-sys v0.3.50
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.23
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.23
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking web-library-base-compositions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/lib.rs:54:23
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let buf = unsafe {read_file().into_bytes()};
[INFO] [stdout]    |                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/lib.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 | ...   unsafe {debug ( format!("reading from section {} to section {}, buffer is: {:?}", self.pos, (slice_end + self.pos), &self.buf[self....
[INFO] [stdout]    |       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn new() -> BaseCompColBases {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/lib.rs:54:23
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let buf = unsafe {read_file().into_bytes()};
[INFO] [stdout]    |                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/lib.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 | ...   unsafe {debug ( format!("reading from section {} to section {}, buffer is: {:?}", self.pos, (slice_end + self.pos), &self.buf[self....
[INFO] [stdout]    |       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn new() -> BaseCompColBases {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/app.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::prelude::*;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `wasm_bindgen_futures`
[INFO] [stdout]  --> tests/app.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use wasm_bindgen_futures::JsFuture;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `wasm_bindgen_futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Future` in this scope
[INFO] [stdout]   --> tests/app.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn async_test() -> impl Future<Item = (), Error = JsValue> {
[INFO] [stdout]    |                         ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::future::Future;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::future::Future;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `web-library-base-compositions`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "96d8e652d4e281911dd3887b3eaf540eefca501845e3ce2c7a48cac7abc88d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96d8e652d4e281911dd3887b3eaf540eefca501845e3ce2c7a48cac7abc88d0c", kill_on_drop: false }`
[INFO] [stdout] 96d8e652d4e281911dd3887b3eaf540eefca501845e3ce2c7a48cac7abc88d0c